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Take a Leap of Certainty at DAC 2022

Take a Leap of Certainty at DAC 2022
by Daniel Nenni on 05-22-2022 at 6:00 am

Ansys DAC 2022

The live events I have attended thus far this year have been very good. As much as I liked the virtual events, attending in the comfort of my home or sailboat, it is great to be live and networking inside the semiconductor ecosystem, absolutely.

Ansys has been a great supporter of the Design Automation Conference but this year they … Read More


Bespoke Silicon is Coming, Absolutely!

Bespoke Silicon is Coming, Absolutely!
by Daniel Nenni on 04-18-2022 at 6:00 am

IMG 9977

It was nice to be at a live conference again. DesignCon was held at the Santa Clara Convention Center, my favorite location, which to me there was a back to normal crowd. The sessions I attended were full and the show floor was busy. Masks and vaccinations were not required, maybe that was it. Or there was a pent-up demand to get back engaged… Read More


Webinar Series: Learn the Foundation of Computational Electromagnetics

Webinar Series: Learn the Foundation of Computational Electromagnetics
by Matt Commens on 03-21-2022 at 10:00 am

image 2 for semiwiki blog

The electromagnetism problems upon which we spent many hours laboring away on homework in college has a mathematical formulation originally developed by Maxwell, Lorentz, Gauss, Faraday and others. In their full forms, these formulas are partial differential equations that come in many versions – both differential and integral.… Read More


5G and Aircraft Safety: Simulation is Key to Ensuring Passenger Safety – Part 4

5G and Aircraft Safety: Simulation is Key to Ensuring Passenger Safety – Part 4
by Shawn Carpenter on 03-17-2022 at 10:00 am

Fig 11 KingCountyAirport Scenario STK Annotated

In our previous blog installments, we examined the ingredient for modeling the potential for interference between a 5G C-band base station and an aviation radar altimeter. Using candidate emissions models for the transmitter, wideband susceptibility models for a candidate radar altimeter receiver and antenna and propagation… Read More


5G and Aircraft Safety: Simulation is Key to Ensuring Passenger Safety – Part 3

5G and Aircraft Safety: Simulation is Key to Ensuring Passenger Safety – Part 3
by Shawn Carpenter on 03-16-2022 at 10:00 am

Fig 7 HFSS Antenna Patterns

In our previous blog installment, we introduced the components of RF interference modeling, and established models for wideband peak emissions of a 5G C-band transmitter and the wideband receiver susceptibility for a radar altimeter receiver. Here, we consider the third component: the wireless channel, which considers the… Read More


5G and Aircraft Safety: Simulation is Key to Ensuring Passenger Safety – Part 2

5G and Aircraft Safety: Simulation is Key to Ensuring Passenger Safety – Part 2
by Shawn Carpenter on 03-15-2022 at 10:00 am

Fig 4 Elements of Interference Analysis

In our first blog installment, we outlined the interference concerns surrounding the coexistence of the new C-band 5G telecom service spanning the band from 3.7 to 3.98 GHz with aviation radar altimeters. Radar altimeters are essential components for safety during landing and takeoff, as they offer precise measurements from… Read More


5G and Aircraft Safety: Simulation is Key to Ensuring Passenger Safety

5G and Aircraft Safety: Simulation is Key to Ensuring Passenger Safety
by Shawn Carpenter on 03-14-2022 at 10:00 am

Fig 1 Verizon Cov Map 5G UWB

The new 5G C-band service is now up and running in the U.S., and subscribers are finally starting to see some of the promise of 5G. The new C-band services are primarily in spectrum allocations between 3 and 4 GHz, providing the wider channel allocation bandwidths necessary to deliver significantly higher data throughput. At the… Read More


5G Network Activation Update

5G Network Activation Update
by Daniel Nenni on 03-13-2022 at 10:00 am

ANSYS 5G Kerfuffle

As a pilot and semiconductor professional I was a bit shocked to get an Airworthiness Directive due to the 5G rollout. Airworthiness Directives are legally enforceable regulations issued by the FAA to correct an unsafe condition in a product:

“Airworthiness Directive (AD) 2021-23-12 was issued for all fleets in December… Read More


The Clash Between 5G and Airline Safety

The Clash Between 5G and Airline Safety
by Tom Simon on 02-22-2022 at 10:00 am

5G and Airline Safety

For 5G to really deliver on its promise of high bandwidth and good coverage, it needs to use an RF band known as C-Band (3.7 to 4.4 GHz). This band is ideal because its frequency is high enough to offer 100MHz wide channels and also low enough that signal attenuation, especially in urban areas, is minimal.  In 2020 the FCC auctioned off… Read More


The Hitchhiker’s Guide to HFSS Meshing

The Hitchhiker’s Guide to HFSS Meshing
by Matt Commens on 01-26-2022 at 6:00 am

PCB

Automatic adaptive meshing in Ansys HFSS is a critical component of its finite element method (FEM) simulation process. Guided by Maxwell’s Equations, it efficiently refines a mesh to deliver a reliable solution, guaranteed. Engineers around the world count on this technology when designing cutting-edge electronic products.… Read More